private async void DownloadModel(string person)
{
MLTtsLocalModel model = new MLTtsLocalModel.Factory(person).Create();
MLModelDownloadStrategy request = new MLModelDownloadStrategy.Factory()
.NeedWifi()
.SetRegion(MLModelDownloadStrategy.RegionDrEurope)
.Create();
Task downloadTask = manager.DownloadModelAsync(model, request, this);
try
{
await downloadTask;
if (downloadTask.IsCompleted)
{
mlTtsEngine.UpdateConfig(mlTtsConfigs);
Log.Info(Tag, "downloadModel: " + model.ModelName + " success");
ShowToast("downloadModel Success");
Speak(mEditText.Text.ToString().Trim());
}
else
{
Log.Info(Tag, "failed ");
}
}
catch (Exception e)
{
Log.Error(Tag, "downloadModel failed: " + e.Message);
ShowToast(e.Message);
}
}
public async void OnClick(View v)
{
switch (v.Id)
{
case Resource.Id.close:
mEditText.Text = "";
break;
case Resource.Id.btn_speak:
string text = mEditText.Text.ToString();
//Check whether the offline model corresponding to the language has been downloaded.
MLTtsLocalModel model = new MLTtsLocalModel.Factory(MLTtsConstants.TtsSpeakerOfflineEnUsMaleEagle).Create();
Task <bool> checkModelTask = manager.IsModelExistAsync(model);
try
{
await checkModelTask;
if (checkModelTask.IsCompleted && checkModelTask.Result == true)
{
Speak(text);
}
else
{
Log.Error(Tag, "isModelDownload== " + checkModelTask.Result);
ShowToast("The offline model has not been downloaded!");
DownloadModel(MLTtsConstants.TtsSpeakerOfflineEnUsMaleEagle);
}
}
catch (Exception e)
{
Log.Error(Tag, "downloadModel failed: " + e.Message);
ShowToast(e.Message);
}
break;
case Resource.Id.btn_download_model:
DownloadModel(MLTtsConstants.TtsSpeakerOfflineEnUsMaleEagle);
break;
case Resource.Id.btn_stop_speak:
mlTtsEngine.Stop();
break;
default:
break;
}
}
